Hooman

- Fix: check_color
- Fix: verify_func_params

- Fix: shapes.py _fill
- Chore: Update demos

- Feat: python -m hooman.demos

- Feat: time functions: .day, .hour, .year, .month
- Feat: Add HALF_PI etc
- Feat: .millis for milliseconds since program started
- Feat: .frameCount for number of frames since program started
- Feat: Add square, circle
- Feat: pmouseX, pmouseY

- Feat: ripple_graph

- Feat: candy_colors